Size of the X chromosome

Richard Durbin rd at sanger.ac.uk
Fri Nov 28 04:55:48 EST 1997

The zero point on the acedb physical map of chromosome X, and of all
other chromosomes, is completely arbitrary.  It is a historic consequence
of where some fragment of the map was started.

The estimated size of X from the physical map is about 18 Mb.  Next summer
we should be able to give you a much more accurate estimate based on the


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